import sys, math, itertools, collections, bisect
input = lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8') 
inf = float('inf') ;mod = 10**9+7 
mans = inf ;ans = 0 ;count = 0 ;pro = 1

read = sys.stdin.buffer.read
x = int(read())
print(10 - x//200) import sys, math, itertools, collections, bisect sys math itertools collections bisect input = lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8') input lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8') sys.stdin.buffer.readline().rstrip().decode('utf-8') sys.stdin.buffer.readline().rstrip().decode sys.stdin.buffer.readline().rstrip() sys.stdin.buffer.readline().rstrip sys.stdin.buffer.readline() sys.stdin.buffer.readline sys.stdin.buffer sys.stdin sys stdin buffer readline rstrip decode 'utf-8' inf = float('inf') inf float('inf') float 'inf' mod = 10**9+7 mod 10**9+7 10**9 10 9 7 mans = inf mans inf ans = 0 ans 0 count = 0 count 0 pro = 1 pro 1 read = sys.stdin.buffer.read read sys.stdin.buffer.read sys.stdin.buffer sys.stdin sys stdin buffer read x = int(read()) x int(read()) int read() read print(10 - x//200) print 10 - x//200 10 x//200 x 200 count = 0 0 count inf = float('inf') float('inf') inf ans = 0 0 ans read = sys.stdin.buffer.read sys.stdin.buffer.read read mod = 10**9+7 10**9+7 mod pro = 1 1 pro input = lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8') lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8') input x = int(read()) int(read()) x mans = inf inf mans
import sys, math, itertools, collections, bisect
input = lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8') 
inf = float('inf') ;mod = 10**9+7 
mans = inf ;ans = 0 ;count = 0 ;pro = 1

read = sys.stdin.buffer.read
x = int(read())
print(10 - x//200)